Noncovered Loans Noncovered Loans (Analysis of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2011 Modifications	Sep. 30, 2011 Modifications
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	1	5
Pre-Modification Outstanding Recorded Investment	$ 226	$ 1,237
Post-Modification Outstanding Recorded Investment	226	1,237
Secured Debt [Member] | Commercial Business [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	1	3
Pre-Modification Outstanding Recorded Investment	226	578
Post-Modification Outstanding Recorded Investment	226	578
Income Property Multifamily [Member] | Real Estate Commercial & Multifamily Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications		1
Pre-Modification Outstanding Recorded Investment		623
Post-Modification Outstanding Recorded Investment		623
Residential Construction [Member] | Construction One-To-Four Family Residential[Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications		1
Pre-Modification Outstanding Recorded Investment		36
Post-Modification Outstanding Recorded Investment		$ 36